ENS Event | |
|---|---|
05:00 Dec 1, 2006 | |
| Title | |
| Event Description | On January 2, 2007, Ohio Bureau of Radiation Protection received a written report that an equipment failure of a Cobalt Teletherapy Device had occurred on December 1st while treating a patient. The sealed source did not return to the closed positron after completing treatment. The therapists immediately entered the room and returned the source to a safe configuration. The department requested additional information from the licensee on January 2 and received the additional information on January 9, 2007. It has been determined that the licensee did not perform a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> notification as required in rule 3701-40-20 of the Administrative Code. The patient was exposed to less that thirty seconds exposure time and a determination was made from the additional information provided that a medical event did not occur. The unit was repaired by Neutron Products on December 8, 2006. The problem identified was an old air cylinder and detent pin which was replaced returning the unit to normal operation. The Department notified the NRC Operations Center on January 11, 2007 after determination of reporting requirements.
Teletherapy unit is a Theratron-80, s/n 2640986, which is manufactured by Neutron Products. The Co-60 sealed source is 1690 Ci or 62530 GBq, model number NPTY, s/n T-1444. |
| Where | |
|---|---|
| Clinton Memorial Hospital Clinton, Ohio (NRC Region 3) | |
| License number: | OH02300140000 |
| Organization: | Ohio Bureau Of Radiation Protection |
| Reporting | |
| Agreement State | |
| Time - Person (Reporting Time:+992.15 h41.34 days <br />5.906 weeks <br />1.359 months <br />) | |
| Opened: | Mark Light 13:09 Jan 11, 2007 |
| NRC Officer: | John Knoke |
| Last Updated: | Jan 11, 2007 |
| 43091 - NRC Website | |
Clinton Memorial Hospital with Agreement State | |
WEEKMONTHYEARENS 463062008-02-06T04:00:0006 February 2008 04:00:00
[Table view]Agreement State Agreement State Report - Medical Underdose During Prostate Brachytherapy ENS 430912006-12-01T05:00:0001 December 2006 05:00:00 Agreement State Agreement State - Ohio - Equipment Malfunction of a Cobalt Teletherapy Device 2008-02-06T04:00:00 | |